Care and maintenance

Make your window last a lifetime by taking good care of it, both inside and out

DSC_6581.jpgDilly Orme

Guides for VELUX roof window use and maintenance

Find care and operating instructions for your VELUX roof window here. To do this, you need some information that you can find on the type plate of your roof window.

How to identify your VELUX roof window:

All VELUX roof windows produced after 1968 have a type sign stating exact information about the window. You can find this in the right corner of the top sash, behind the ventilation flap.

  1. Type
  2. Size
  3. Variant
  4. Production code
Buy maintenance kits online
Buy maintenance kits online

VELUX offers a range of products that will come in handy if you want to replace an air filter, repair a scratch, lubricate hinges, paint your window or give it a new and shiny lacquer.

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Cleaning the window

To clean the outer pane, rotate the sash 180 degrees. The sash must be secured in position by sliding the barrel bolt into the bushing at the bottom of the side frame. This safety feature leaves both hands free for cleaning. Clean the pane with a soft, clean, lint-free cloth/chamois leather/nonabrasive sponge or a clean, non-metal window squeegee.

Clean water will normally be sufficient for cleaning the pane. Ordinary, non-abrasive household cleaners can also be used. Soft water is best for cleaning panes. Therefore, in hard-water areas add a small amount of detergent to soften the water or wipe off all excess water after cleaning.

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Cleaning tips

  • Avoid contact from silicone with the pane.
  • Do not use any cleaning products containing abrasive particles.
  • Do not use chemical products for cleaning the pane.
  • Avoid contact with the pane from all sharp or abrasive objects including jewellery.
  • Never attempt to clean off dirt on the pane without first applying water.
  • If any works are taking place in the vicinity of the pane, protect the pane with a clean plastic sheet to prevent any splashes or staining from aggressive and abrasive compounds.
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Cleaning the air filter

The air filter can be removed and washed with ordinary household cleaners. Fully rotate and secure the window in cleaning position, then remove the filter from the filter rail. New filters are available from VELUX and be bought in the VELUX e-shop as part of our maintenance kits (ZZZ 220).

Buy online
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Cleaning the flashing

Leaves and other debris should be re moved from the flashing around the window once per year to allow rain water to flow freely.

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Condensation

When condensation forms on the glazing of your windows, you should take it as a warning sign that you should ventilate more often. Regular ventilation is the most efficient way of preventing condensation water from forming on your window glazing.

Limit the amount of humidity:

  • If possible, do not dry your laundry inside the house.
  • Close the doors of kitchens and bathrooms.
  • Ventilate regularly for five minutes at least three or four times a day
  • If possible, maintain a constant room temperature of at least 20°C.
Find out more
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Snow and ice

In areas with prolonged cold periods with heavy snowfall, considerable amounts of snow and ice may accumulate on the roof and a VELUX roof window could become covered with snow and ice for long periods. When the temperature rises, the window will often be one of the first places where the snow and ice starts melting.

It is important to make sure that water can always drain off from the roof and surrounding gutters.

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Electrical roof windows

We recommend that the gas springs are replaced within 10 years after installation of the window as their performance is likely to decline slightly over the years.

We recommend that the motors are replaced within 10 years after installation of the window to prevent malfunction.